Charcoal test tray canister



FIG. 1 is a top plan view of a charcoal test tray canister, showing my new design;

FIG. 2 is a side elevational view from the plane indicated by the line 2--2 in FIG. 1;

FIG. 3 is a side elevational view from the plane indicated by the line 3--3 in FIG. 1;

FIG. 4 is a bottom plan view; and,

FIG. 5 is a sectional view taken on the compound planes indicated by the lines 5--5 in FIG. 1. 

The ornamental design for a charcoal test tray canister, as shown. 